Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its octane number Increase its smoke point Reduce the pour point Reduce gum formation Increase its octane number Increase its smoke point Reduce the pour point Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Electrical desalting of crude oil removes the __________ impurities. Neither A nor B Both A & B Oleophobic Oleophilic Neither A nor B Both A & B Oleophobic Oleophilic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is an anticing compound? Amyl nitrate Mercaptans Pyridine Alcohals Amyl nitrate Mercaptans Pyridine Alcohals ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Intermediate distillates Residues Light ends Heavy distillates Intermediate distillates Residues Light ends Heavy distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Pyrolysis None of these Visbreaking Coking Pyrolysis None of these Visbreaking Coking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 50 1 5000 10000 50 1 5000 10000 ANSWER DOWNLOAD EXAMIANS APP
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